Home / 4,987.51-6,882.69-2,749.62

Finding the Fourth Proportional to 4,987.51, 6,882.69 and 2,749.62

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Solution

The fourth proportional to 4,987.51, 6,882.69 and 2,749.62 is: 3,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.51 : 6,882.69 = 2,749.62 : x
  2. Step 2: Convert to fraction form
    4,987.51/6,882.69 = 2,749.62/x
  3. Step 3: Cross multiply
    4,987.51x = 6,882.69 × 2,749.62
  4. Step 4: Simplify right side
    4,987.51x = 18,924,747.66
  5. Step 5: Solve for x
    x = 18,924,747.66/4,987.51
  6. Step 6: Final answer
    x = 3,794.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.